ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,980, issued on April 29, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Nanoparticle and method for cross-linking of adjacent nanoparticles among ligands of adjacent nanoparticles by delocalizing electrons to a surface of the nanoparticles to contact the ligand" was invented by Wenhai Mei (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application can provide a nanoparticle, a method for patterning a nanoparticle layer and a light emitting device. When the nanoparticle provided by the present application is adopted for manufacturing a light emitting layer of the light emitting device, a cross-linking reaction occurs amo...